package thread;
//
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class ThreadPoolDemo {
    public static void main(String[] args) {
        //  创建线程池
        ExecutorService threadPool = Executors.newFixedThreadPool(2);

        for (int i = 0; i < 5; i++) {
            Runnable r = new Runnable() {
                public void run() {
                    try {
                        Thread t = Thread.currentThread();
                        System.out.println(t.getName()+":正在执行一个任务....");
                        Thread.sleep(3000);
                        System.out.println(t.getName()+":执行任务完毕!");
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
            };
            threadPool.execute(r);
            System.out.println("将一个任务交给了线程池");
        }
        threadPool.shutdown();//停止线程池
        System.out.println("停止线程池");
    }
}
